.usage {
  .el-col {
    padding: 20px;
    border-right: 1px solid #dcdfe6;
    &:last-of-type {
      border-right: 0;
    }
  }
  pre {
    text-align: left;
    border: 1px solid #dcdfe6;
    border-radius: 4px;
    background-color: #f5f7fa;
    padding: 20px;
  }
  code {
    font-size: 12px;
    line-height: 1.8;
    font-family: Menlo, Monaco, Consolas, Courier, monospace;
    -webkit-font-smoothing: auto;
  }
}